Fairchild

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  • Pressure Relays
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    • Parts & Accessories
• Relay Type
  • Adjustable Ratio Relay (1)
  • Multi-Stage Positive Biasing Relay (1)
  • Positive Bias Relay (2)
  • Positive & Negative Bias Relay (1)
  • Computing Relay (1)
  • Selector Relay (2)
  • Reversing Relay (2)
  • Snap Acting Relay (1)
• Ratio
  • 1:1 (8)
  • 1:1.6 (1)
  • 1:2 (2)
  • 1:3 (2)
  • 1:4 (1)
  • 1:5 (1)
  • 1:6 (1)
  • 2:1 (2)
  • 3:1 (2)
  • 4:1 (1)
  • 5:1 (1)
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• Pressure Range
  • 2" W.C. to 10 psig : 0.006-0.7 bar : 0.63-70 kPa (1)
  • -18-2 psig : -1.2-0.15 bar : -120-15 kPa (1)
  • -18-10 psig : -1.2-0.7 bar : -120-70 kPa (1)
  • -18-30 psig : -1.2-2 bar : -120-200 kPa (1)
  • -18-100 psig : -1.2-7 bar : -120-700 kPa (1)
  • 0-0.5 psig : 0-0.035 bar : 0-3.5 kPa (1)
  • 0-0.7 psig : 0-0.048 bar : 0-4.8 kPa (1)
  • 0-1.4 psig : 0-0.096 bar : 0-9.7 kPa (1)
  • 0-2 psig : 0-0.14 bar : 0-14 kPa (6)
  • 0-3 psig : 0-0.21 bar : 0-21 kPa (1)
  • 0-4 psig : 0-0.28 bar : 0-28 kPa (1)
  • 0-5 psig : 0-0.35 bar : 0-35 kPa (4)
  • 0-6 psig : 0-0.41 bar : 0-41 kPa (1)
  • 0-10 psig : 0-0.7 bar : 0-70 kPa (11)
  • 0-12 psig : 0-0.82 bar : 0-83 kPa (1)
  • 0-15 psig : 0-1 bar : 0-100 kPa (2)
  • 0-20 psig : 0-1.5 bar : 0-150 kPa (5)
  • 0.5-10 psig : 0.03-0.7 bar : 3-70 kPa (6)
  • 0.5-30 psig : 0.03-2 bar : 3-200 kPa (23)
  • 0.5-60 psig : 0.035-4 bar : 3.5-400 kPa (1)
  • 0.5-100 psig : 0.035-7 bar : 3.5-700 kPa (1)
  • 1-60 psig : 0.1-4 bar : 10-400 kPa (25)
  • 1-100 psig : 0.07-7 bar : 7-700 kPa (2)
  • 2-100 psig : 0.15-7 bar : 15-700 kPa (8)
  • 2-120 psig : 0.14-8 bar : 14-800 kPa (4)
  • 2-150 psig : 0.1-10 bar : 15-1000 kPa (14)
  • 3-200 psig : 0.2-14 bar : 20-1400 kPa (2)
  • 5-250 psig : 0.35-17 bar : 35-1700 kPa (1)
  • 5-300 psig : 0.3-21 bar : 35-2100 kPa (2)
  • 5-400 psig : 0.3-28 bar : 35-2800 kPa (2)
  • Vacuum to : 2 psig : 0.15 bar : 15 kPa (1)
  • Vacuum to : 10 psig : 0.7 bar : 70 kPa (2)
  • Vacuum to : 30 psig : 2.0 bar : 200 kPa (2)
  • Vacuum to : 100 psig : 7.0 bar : 700 kPa (1)
  • Vacuum to : 150 psig : 10 bar : 1000 kPa (2)
  • Vacuum : 0-5 in Hg : 127 Torr : 17 kPa (1)
  • Vacuum : 0-15 in Hg : 381 Torr : 51 kPa (1)
  • Vacuum : 0-30 in Hg : 762 Torr : 102 kPa (1)
  • Vacuum : 4 in Hg : 140 Torr : 14 kPa (1)
  • Vacuum : 20 in Hg : 700 Torr : 70 kPa (1)
  • Vacuum : 30 in Hg : 1000 Torr : 100 kPa (1)
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• Pipe/Port Size
  • 1/16" (1)
  • 1/8" (2)
  • 1/4" (29)
  • 3/8" (32)
  • 1/2" (21)
  • 3/4" (10)
  • 1" (4)
  • 1-1/2" (3)
  • M5 x 0.8 (2)
  • 10/32" Manifold-Mount (2)
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• Pipe/Port Thread Type
  • NPT (43)
  • BSPP (27)
  • BSPT (35)
• Approvals
  • CRN - Canadian Registration Number (23)
• Hazardous Areas
  • Acceptable in Zones 1–2 (gas, Groups IIA & IIB) and Zones 21–22 (dust). (15)
• Max. Supply Pressure
  • 2 psig : 0.15 bar : 14 kPa (1)
  • 5 psig : 0.35 bar : 35 kPa (1)
  • 20 psig : 1.5 bar : 140 kPa (1)
  • 60 psig : 4.0 bar : 400 kPa (1)
  • 100 psig : 7.0 bar : 700 kPa (1)
  • 120 psig : 8.0 bar : 800 kPa (1)
  • 150 psig : 10 bar : 1000 kPa (3)
  • 250 psig : 17.0 bar : 1700 kPa (25)
  • 300 psig : 20 bar : 2000 kPa (4)
  • 500 psig : 35.0 bar : 3500 kPa (2)
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• Flow Capacity
  • 2.5 scfm (4.25 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply and 30 psig : 2.0 bar : 200 kPa setpoint. (2)
  • 8 scfm (68 m³/hr) @ 29" Hg VAC (1)
  • 10 scfm (17.0 m³/hr) @ 120 psig : 8 bar : 800 kPa system pressure. (1)
  • 14 scfm (23.8 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply, 20 psig : 1.5 bar : 150 kPa setpoint. (3)
  • 17 scfm (28.9 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply and 20 psig : 1.5 bar : 150 kPa setpoint. (1)
  • 22 scfm (37.4 m³/hr) @ 100 psig : 7.0 bar : 700 kPa system pressure. (1)
  • 25 scfm (42.5 m³/hr) @ 100 psig : 7 bar : 700 kPa supply and 20 psig : 1.5 bar : 150 kPa setpoint. (3)
  • 28 scfm (48 m³/hr) @ 29" Hg vacuum with inlet port open to atmosphere. (1)
  • 40 scfm (68 m³/hr) @ 100 psig, 7.0 bar, 700 kPa supply & 20 psig, 1.5 bar, (150 kPa) setpoint. (9)
  • 40 scfm (68 m³/hr) @ 100 psig, 7.0 bar, 700 kPa system pressure. (2)
  • 45 scfm (76.5 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply & 20 psig : 1.5 bar : 150 kPa output. (1)
  • 50 scfm (85 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply; 20 psig : 1.5 bar : 150 kPa setpoint. (4)
  • 60 scfm (101.9 m³/hr) @ 100 psig : 7.0 bar : 700 kPa system pressure. (1)
  • 150 scfm (255 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply & 20 psig : 1.5 bar : 150 kPa setpoint. (6)
  • In excess of 1500 scfm (2550 m³/hr) (100 psig : 7.0 bar : 700 kPa supply, 1-1/2” NPT connection 40 psig : 2.8 bar : 280 kPa setpoint. (2)
  • 1800 scfm (3058 m³/hr) @ 150 psig : 10.0 bar : 1000 kPa supply & 20 psig : 1.5 bar : 150 kPa setpoint. (1)
• CV Rating
  • 0.23 (1)
• Ratio Range
  • 30:1 through 1:30 (signal pressure : output pressure) (1)
• Set Point
  • 1" (2.54 cm) W.C. (2)
  • 2" (5.08 cm) W.C. (1)
  • 3" (7.62 cm) W.C. (1)
• Supply Pressure Effect
  • Less than 0.025 psig : 0.0018 bar for 5 psig : 0.35 bar change in supply pressure (1)
  • Less than 0.05 psig : 0.0035 bar : 0.35 kPa for 5 psig : 0.35 bar : 35 kPa change in supply pressure. (1)
  • Less than 0.1 psig : 0.007 bar : 0.7 kPa for a 100 psig : 7.0 bar : 700 kPa change in supply pressure. (13)
  • Less than 0.2 psig, : 0.014 bar : 0.14 kPa for 100 psig : 7.0 bar : 700 kPa change in supply pressure. (3)
  • Less than 0.5 psig, : 0.035 bar : 3.5 kPa for 100 psig : 7.0 bar : 700 kPa change in supply pressure. (2)
  • Less than 1.25 psig : 0.09 bar : 9 kPa change for 100 psig : 7.0 bar : 700 kPa change in supply pressure (1.90 psig for 120 psig Range). (3)
  • 0.1 psig : 0.007 bar : 0.7 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
  • 0.2 psig : 0.014 bar : 1.4 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
  • 0.3 psig : 0.021 bar : 2.1 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
  • 0.4 psig : 0.028 bar : 2.8 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
  • 0.5 psig : 0.034 bar : 3.4 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
  • 0.6 psig : 0.041 bar : 4.1 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
• Separate Supply to Pilot
  • Separate Supply to Pilot (1)
• Exhaust Capacity
  • 0.15 scfm (0.29 m³/hr) with 5 psig : 0.35 bar downstream pressure. (1)
  • 0.28 scfm (.48 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
  • 0.8 (1.36 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (0.8 scfm for 120 # unit). (3)
  • 1 scfm (1.7 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
  • 2.0 scfm (3.4 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint (1)
  • 2.5 scfm (4.25 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig setpoint. (2)
  • 5.5 scfm (9.35 m³/hr) where downstream pressure 5 psig : 0.35 bar : 35 kPa above setpoint of 20 psig :1.5 bar : 150 kPa. (5)
  • 7.5 scfm (12.8 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above output pressure set point of 20 psig : 1.5 bar : 150 kPa. (1)
  • 8 scfm (13.6 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above set pressure. (3)
  • 11 scfm (18.7 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above setpoint. (2)
  • 14 scfm (23.8 m³/hr) @ 100 psig : 7.0 bar : 700 kPa drop (1)
  • 16 (27.2 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
  • 20 (34 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
  • 40 scfm (65 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (4)
  • 44 scfm (75 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig set pressure. (1)
  • 65 scfm (110.5 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
  • 325 scfm (552.5 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
• Max. Signal or Output Pressure
  • 150 psig : 10 bar : 1000 kPa (9)
  • 200 psig : 14.0 bar : 1400 kPa (1)
• Min. Switching Differential
  • Less than 0.1 psig : 0.007 bar : 0.7 kPa (1)
• Max. Differential Between Signals
  • 100 psig : 7.0 bar : 700 kPa (1)
• Repeatability
  • 0.2” (0.5 cm) Water Column (1)
• Signal Range
  • 2” (5 cm) W.C. to 120 psig : 8.0 bar : 800 kPa (1)
• Sensitivity
  • Less than 1/8" W.C. : 0.31 mbar : 0.031 kPa (2)
  • 1/8" W.C. : 0.31 mbar : 0.031 kPa (2)
  • Less than 0.1” (.254 cm) W.C. (2)
  • Less than 1/4” (.64 cm) W.C. (1)
  • 1/4" (0.63 cm) W.C. (3)
  • Less than 1/2” (1.27 cm) W.C. (1)
  • 1/2” (1.27 cm) W.C. (8)
  • 3/4” (1.9 cm) W.C. (1)
  • 1” (2.50 cm) W.C. (13)
  • 1-1/4” (3.18 cm) W.C. (1)
  • 1-1/2” (3.8 cm) W.C. (1)
  • 5" (12.7 cm) W.C. (1)
• Bypass Valve
  • Bypass Valve (3)
• Actuator Adjustment Type (for Output Pressure)
  • Knob (16)
  • Plunger (2)
  • Screw (6)
  • Screwdriver Adjust (6)
• Ambient Temperature Limits
  • -40° F to + 160° F, (-40° C to + 71° C) (2)
  • -40° F to +200° F (-40° C to 93.3° C) (36)
  • -20° F to +300° F, (-28° C to 149° C) (2)
  • -20° F to +200° F, (-28° C to 93° C) Aluminum Bonnet Option (2)
  • 0° F to +160° F, (-17.8° C to 71.1° C) (1)
• Relief
  • Relieving (8)
  • Non-Relieving (10)
  • Non-Relieving - Aluminum Bonnet (1)
• Tapped Exhaust Vent
  • Tapped (19)
  • Straight (1)
• Tamper Proof
  • Tamper Proof (21)
• Bleed Option
  • Low Bleed (2)
  • Low Flow (2)
  • No Bleed/Non-Relieving (2)
  • Quick Bleed Valve (3)
• Pressure Gauge Port
  • 1/8" NPT (2)
  • 1/4" NPT (5)
  • 1/4" NPT, BSPT or BSPP (1)
• Feedback
  • Feedback (1)
• Remote Pressure Sensor
  • No Feedback Port (2)
  • Feedback Port (2)
• Port Type
  • Inch (1)
  • Metric (1)
• Base Material
  • Aluminum Alloy (1)
• Plunger Material
  • Steel (1)
• Valve Material
  • Stainless Steel (1)
• Mounting Style
  • Line/Pipe Mount (6)
  • Bonnet Mount (3)
  • Bottom-Port Mount (1)
  • Bracket (1)
  • Flange Mount (1)
  • Manifold Mount (2)
  • Panel Mount (10)
  • M5 x 0.8 Thread Ports (2)
  • None (2)
• INLET Tubing Size
  • 1/4" (1)
  • 6 mm (1)
• OUTLET Tubing Size
  • 1/4" (1)
  • 6 mm (1)